Date: 1664

"But the source which produces these spirits is usually so abundant that they enter these cavities in sufficient quantity to have the force to push out against the surrounding matter and make it expand, thus tightening all the tiny nerve-fibres which come from it (in the way that a moderate wind ...

— Descartes, René (1596-1650)

Date: 1691

"Thirdly, Let us hence duly learn to prize and value our Souls; is the Body such a rare Piece, what this is the Soul? the Body is but the Husk or Shell, the Soul is the Kernel; the Body is but the Cask, the Soul the precious Liquor contained in it; the Body is but the Cabinet; the Soul the Jewel;...

— Ray [formerly Wray], John (1627–1705)

Date: 1697

"As a Ship at Sea running swiftly thro the Waves, leaves behind a Track, which is almost as soon lost as made, so that no sign can be found of its Passage thro that fluid Element: So the moisture of the Brain may be susceptible of an Idea for the present, but 'tis not lasting, nor is there any si...

— D'Assigny, Marius (1643-1717)

Date: Wednesday, June 18, 1712

"The strange and absurd Variety that is so apparent in Men's Actions, shews plainly they can never proceed immediately from Reason; so pure a Fountain emits no such troubled Waters: They must necessarily arise from the Passions, which are to the Mind as the Winds to a Ship, they only can move it,...

— Anonymous

Date: Monday, May 25, 1724

"The Mind of Will. Weathercock is like the Sail of a great Ship, that has Room, to contain much Wind; but, having none, of its own producing, is swell'd out, by Turns, from all the Quarters of the Compass."

— Hill, Aaron (1685-1750)

Date: 1731

"And therefore it [the soul] is not present with it only as a Mariner with a Ship, that is, meerly Locally, or knowingly and unpassionately present, they still continuing two distinct Things; but it is vitally united to it, and passionately present with it. And therefore when the Body is hurt, th...

— Cudworth, Ralph (1617-1688)

Date: 1738

A person may be called the same person by "a continual Superaddition of the like Consciousness ... Just as a Ship is called the same Ship, after the whole Substance is changed by frequent Repairs; or a River is called the same River, though the Water of it be every Day new."

— Clarke, Samuel (1675-1729)

Date: 1789

"Then he assured me, that one sin unatoned for was as sufficient to damn a soul as one leak was to sink a ship."

— Equiano, Olaudah [Gustavus Vasa] (c. 1745-1797)